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Hot!X299 DARK XOC BIOS updated for CLX

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EVGATech_LeeM
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2020/07/28 14:05:19 (permalink)
Hi all,
 
We updated the XOC BIOS to add support for Cascade Lake CPUs.  No other changes.
 
Original XOC BIOS and explanations can be found here:  https://xdevs.com/guide/e299ocg/#biost
XOC BIOS with CLX support:  https://cdn.evga.com/bios/x299/00720T00_CLX_XOC.zip
 
Luumi has already done some nice work with it:
 

#1

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    Nealx01
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    Re: X299 DARK XOC BIOS updated for CLX 2020/08/03 17:33:13 (permalink)
    thanks!


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    Zeddivile
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    Re: X299 DARK XOC BIOS updated for CLX 2020/08/13 17:28:17 (permalink)
    True. Luumi is killing it and Thanks for this.

    "This stuff breaks my tiny often dehydrated and carb deprived hamster brain" -2019
     
    "How dare you throw the X into OC so casually- Its offensive and disrespectful to K|NGP|N" -2020
     

     

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    CSN7
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    Re: X299 DARK XOC BIOS updated for CLX 2020/09/23 12:02:43 (permalink)
    Nice! Any way to flash a Cascade-Lake-X Bios to a board that doesn't boot with it? Like some secret USB port? I guess the bios version present on the board I just got just can't boot with the newer chips.
     
    Gonna get this puppy cold.
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    Nealx01
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    Re: X299 DARK XOC BIOS updated for CLX 2020/09/23 12:53:09 (permalink)
    Open a support ticket, they send you a socketable bios chip. Then you send it back when your done. I had to for mine last January also


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    CSN7
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    Re: X299 DARK XOC BIOS updated for CLX 2020/10/23 03:31:51 (permalink)
    As a heads-up: I tested the Bios and this XOC Bios doesn't perform well unfortunately.
     
    It seems like it uses new microcode so mitigations are active and killing performance. I think that shouldn't be the case as the goal was to remove them for best possible scores right? I noticed Luumi for example has the old UI in his XOC version for CLX, however this provided bios has the new UI, so something is messed up. 
     
    I had an LN2 session planned for today, but I had to cancel it as it doesn't make sense with this bios. Please look into it. I'd need a XOC version for CLX without mitigations. Easy to distinguish: 5G on all 18 cores should net about 5000 Score in Cinebench R15 using old microcode. With this bios it is only 4800 in R15.
     
    If I'm not mistaken we need Cascade Lake-X microcode - 29 for best performance.
    post edited by CSN7 - 2020/10/23 03:49:39
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